JPS62170659A - Flat roof surface close adhesion fixing mold frame and construction method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to formwork used to closely fix uneven foundations and uneven surfaces when constructing reinforced concrete structures and construction works. Regarding construction methods.

<Prior art> Conventionally, in order to fix an uneven base, one end of a formwork of a plate-like monolithic structure is pressed onto the uneven base (see Figure 8), or a monolithic structure is used. Eliminate the gap between the uneven surface and the form by processing the formwork to fit the uneven surface, or fill the gap between the linear formwork and the uneven surface with urethane foam, rag, mortar, etc. (See Figure 9).

<Problems to be solved by the invention> However, with the construction method shown in Figure 8, gaps tend to form between the uneven surface and the formwork, so concrete is not poured sufficiently and damage tends to occur from there. In addition, the gaps caused insufficient pressure and compaction of post-cast members after forming the formwork, which was a major cause of damage later on.

Furthermore, in the method of filling the gap between the uneven surface and the uneven surface with urethane foam, rag, or mortar as shown in Figure 10,
These are separated by the weight of the pouring concrete 1 and compaction by a vibrader, etc., and are a major cause of uncertain concrete pouring.

Such problems have also been a problem when constructing and repairing reinforced concrete structures.

For example, when the road surface is broken with breakers or picks in road resurfacing work, the lower roadbed may also be damaged, resulting in the formation of an uneven surface.

Furthermore, when repairing elevated roads or road bridges, if the road surface layer is crushed with breakers, picks, etc., unevenness is likely to occur in the floorboard, especially at corners where joints are provided.

Conventionally, the above-mentioned formwork was provided at opposing locations at the joints, concrete was poured into each, and the joints were connected using various joints.

However, due to defects caused by the uneven surface, damage occurs near the joints at a later date, making it necessary to repair the road again.

Conventionally, it has been difficult to construct or repair reinforced concrete structures with such uneven surfaces, and it has been costly and labor-intensive.

Therefore, the present invention has been made with the object of providing formwork that can be effectively constructed on uneven surfaces and a construction method for closely fixing the forms on uneven surfaces.

As a result of research to provide a frame for closely fixing uneven surfaces and a construction method for closely fixing uneven surfaces that eliminate the above-mentioned drawbacks, the present inventor has developed a pole having an appropriate length and thickness. Form a row next to each other and set the height according to the depth and shallowness of the unland surface, push it closely to the foundation of the unland surface, and pour concrete into the void formed by the layer to fix it. The present invention was completed based on the knowledge that it is possible to prevent the after-casting members from washing away and sagging.

Embodiments of the present invention will be described in detail below based on the drawings.

FIG. 1 is a front view of a formwork closely fixed to an uneven surface according to an embodiment of the present invention.

FIG. 2 is a perspective view that is an explanatory diagram showing an outline of a method for closely fixing an uneven surface according to an embodiment of the present invention.

In order to tightly fix a foundation with an uneven surface using the method of closely fixing an uneven surface of the present invention, poles 1, 1', etc. are attached to the uneven part of the ground with heights depending on the depth and shallowness of the uneven surface. The poles should be buried almost equally and close together.

Next, other poles are placed in close contact with the uneven portion adjacent to the poles that were placed in close contact with each other first.

Following this, other poles are placed close to and adjacent to the uneven surface to form a fence-like colonnade.

They are fixed and integrated by columns or sandwich plates 3, and are further fixed to the base by support plates 4.

The material of the pole is iron, aluminum, aluminum alloy,
It can be made of plastic material, wood, etc., and the length and thickness are determined depending on the site, but rod-shaped or pipe-shaped materials with a length of about 300 mm and a thickness of about 5 mφ are easy to deal with complex uneven surfaces, and are easy to work with. Also preferred from above.

Further, the cross-sectional shape of the pole is preferably a hollow cylinder, a solid cylinder, a square cylinder, a polygonal cylinder, or the like.

The clamping plate 3 is used to clamp the rows of poles, and is made of metal, plastic, wood, or the like.

The clamping plate 3 can be used by folding a column of poles formed by multiple poles at an appropriate position with one clamping plate and sandwiching it from the left and right sides of the row of poles, or by using two clamping plates to hold the row of poles together. It may be held from the front and back and both ends or one end may be fixed by welding or bolts, or it may be of a wedge or sedge construction.

Reference numeral 4 denotes a support plate, and one end of the support plate is inserted into the base, or fixed to an anchor or reinforcing bar by welding or the like, and fixed to the sandwich plate 3 to fix the formwork closely fixed to the uneven surface.

The method of fixing the support plate 4 to the sandwich plate 3 is to
One end of the support plate 4 bent into a letter shape may be inserted into a hole previously provided in the sandwich plate, and a wedge may be inserted and fixed therein, or the support plate 4 may be fixed by welding or bolting.

By pouring concrete into the void formed by the uneven surface contact formwork created in this way, the uneven surface can also be tightly fixed.

In addition, when the unland surface of the ground is deep and spread over a wide area, and the construction work in close contact with the unland surface is large-scale, the number of columns of poles should be set to multiple rows, and the distance between the poles and/or between the pole columns is shown in Figure 3. It may be fixed with adhesive as shown in the figure, or it may be tightened with a band (not shown in the figure).

Furthermore, in order to increase the strength of the formwork and prevent concrete from flowing out when poured, the cross-sectional shape of the poles is triangular and the number of columns is two, as shown in Figure 4, and the columns are wedged together. Alternatively, as shown in FIG. 5, adjacent poles of a column may be interlocked with each other in an uneven manner.

While the above-mentioned non-land surface close fixed formwork is assembled on site,
Either formwork for closely fixing a specified uneven surface is molded and attached to the site, and concrete is poured into the void formed by the attached formwork for closely fixing an uneven surface, or the formwork for closely fixing the uneven surface is poured at a location other than the site. It is also possible to temporarily fix the fixed formwork in a removable manner and fix it at the site.

Even if the unevenness of the uneven surface is severe and the height of the pole increases accordingly, according to the present invention, it is possible to easily trim the pole to be horizontal or to the desired slope at any position on the upper part.

Therefore, the formwork of the present invention can be used for road repair or construction by setting it at the joint part of the road and fitting a joint defining material into the upper part (see Fig. 6).

FIG. 7 shows the formwork of the present invention used for road repair.

When repairing an elevated road, if the road surface layer is crushed with breakers, picks, etc., unevenness tends to occur in the floorboard, especially at the corners where joints are provided.

At this time, columns are installed in rows with poles adjacent to each other at locations facing each other at the joints, and the uneven surface contact formwork of the present invention is installed on the side walls. The frames are installed accordingly, and concrete is poured into the void formed by these frames and the slope facing the formwork provided at the joint.

At this time, one end of the support plate to which the columns are fixed may be fixed by bolting or welding to a part of the existing reinforcing reinforcing bars on site.

Also, at this time, the upper part of the column is cut horizontally or to the desired slope, and elastic molding material, expansion joints, or various joints are attached to the upper part of the uneven surface close-fixing formwork of the present invention that faces each other at the joint. Use as a joint material for raised floors on uneven surfaces.

In this case, this tightly fixed formwork is used as a disposable formwork.

Alternatively, the formwork for tightly fixing an uneven surface according to the present invention may be made with squares at appropriate intervals, and the upper part thereof may be cut horizontally or to the desired slope, and elastic molding material, expansion joints, or various joints may be attached to the upper part. .

<Effects> According to the present invention, foundation work on uneven surfaces and road repairs can be easily carried out.
It can be done effectively, reliably, and at low cost, and it is easy to align columns at arbitrary positions and level them, and it can also be used for reliable repair and construction of elevated roads and road bridges that have joints. becomes possible.

[Brief explanation of drawings]

FIG. 1 is a front view of a formwork closely fixed to an uneven surface according to an embodiment of the present invention. FIG. 2 is a perspective view of a formwork according to an embodiment of the present invention attached to an uneven surface. Figure 3 is a perspective view of a structure in which multiple columns of poles are integrated, Figure 4 is a perspective view of a structure in which columns of poles with triangular cross-sectional shapes are wedged together, and Figure 5 is a perspective view of a structure in which columns of poles with a triangular cross-sectional shape are wedged together. FIG. 2 is a perspective view of formworks in which the connections between them are concave and convex and mesh with each other. Figure 6 is a side view of the joint forming material fitted into the head of the colonnade. FIG. 7 is a sectional view showing an example of application as a joint material for raised floors on uneven surfaces in road repair. FIG. 8, FIG. 9, and FIG. 10 are explanatory diagrams showing the conventional construction method. 1.1′・・・・・・・・・Pole 2・・・・・・
・・・・・・Column 3・・・・・・・・・・・・Spanning plate 4・・・・・・・・・Support plate 5・・・・・・・・・...Joint defining material 6...
・・・・・・Elastic molding material, expansion joint, or joint 7・・・・・・・・・Existing reinforcing bars 8・・・・・・・・・Conventional formwork 9・・・・・・・・・・
・・・・・・Urethane foam, cloth, or mortar

Claims (11)

[Claims] (1) A formwork that is closely fixed to an uneven surface, with poles placed adjacent to each other to form the formwork. (2) A patent in which a column is formed by adjoining poles in a row, and the column is further fixed with a sandwich plate, or the poles are fixed with adhesive, and the sandwich plate is further fixed with a support plate. A formwork closely fixed to an uneven surface according to claim 1. (3) The cross-sectional shape of the pole is a cylinder with a hollow cylinder or a solid cylinder;
The formwork closely fixed to an uneven surface according to claim 1, which is a square prism or a polygonal prism. (4) The formwork for tightly fixing an uneven surface according to claim 1, in which a plurality of columns are stacked and adjacent to each other. (5) The formwork for closely fixing an uneven surface according to claim 1, wherein the adjacent poles of the column have a triangular or uneven cross-sectional shape and are wedged or interlocked. (6) When repairing or constructing a road, a colonnade with adjacent poles arranged in a row is installed on the uneven surface of the joint, and the upper part of each colonnade is set horizontally or A formwork that is closely fixed on an uneven surface, with the tops of columns cut to the slope and facing each other at joints, connected using elastic molding, expansion joints, or joints. (7) Form a lightly pushed row of columns with poles adjacent to each other so that they are in close contact with the uneven surface, and a space formed by the columns and the uneven surface or the slope on the opposite side of the column. A method of closely fixing an uneven surface by pouring concrete into it. (8) The method for closely fixing an uneven surface according to claim 7, wherein the cross-sectional shape of the pole is a hollow cylinder, a solid cylinder, a square cylinder, or a polygonal cylinder. (9) A construction method for closely fixing an uneven surface according to claim 7, in which a plurality of columns are stacked and adjacent to each other. (10) The method of closely fixing an uneven surface according to claim 7, wherein the cross-sectional shapes of adjacent poles of the column are triangular or uneven and wedged or interlocked. (11) When repairing or constructing a road, a column with adjacent poles arranged in a row is installed on the uneven surface facing the joint, and the top of each column is leveled or set to the desired slope. The upper parts of each column facing each other at the joints are connected using elastic molding materials, expansion joints, or joints, and concrete is poured into the voids formed between each uneven surface and the wall of the column. Close fixation method.